/* GifCapes Cape Creator — restrained, panel-based UI inspired by laby.net */

:root {
  --bg:        #0c0d10;
  --bg-elev:   #14161b;
  --bg-input:  #0f1115;
  --bg-hover:  #1a1d23;
  --border:    #23262e;
  --border-strong: #2c303a;
  --text:      #e6e8ec;
  --text-dim:  #9aa0aa;
  --text-mute: #6b7280;
  --accent:        #4ade80;
  --accent-hover:  #5beb8d;
  --accent-soft:   rgba(74, 222, 128, .12);
  --danger:    #ef4444;
  --success:   #4ade80;
  --radius:    10px;
  --radius-sm: 6px;
  --t: 120ms ease;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}

/* ------------ Top bar ------------ */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(12, 13, 16, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
}
.brand-dot {
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.brand-name { color: var(--text); font-size: 14px; }
.brand-sub  { color: var(--text-dim); font-weight: 400; font-size: 13px; }
.brand-sub::before { content: "/ "; color: var(--text-mute); }

.topbar-link {
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--t), background var(--t);
}
.topbar-link:hover {
  color: var(--text);
  background: var(--bg-hover);
  text-decoration: none;
}

/* ------------ Page layout ------------ */
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}
.page-header { margin-bottom: 28px; }
.page-header h1 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.01em;
}
.page-header p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  max-width: 640px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
}

/* ------------ Panel ------------ */
.panel {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px 20px;
}
.panel-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 12px;
}
.panel-head.spacer { margin-top: 22px; }
.panel-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.hint {
  font-size: 12px;
  color: var(--text-mute);
}

/* ------------ Drop / upload zone ------------ */
.drop {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 32px 16px;
  background: var(--bg-input);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--t), background var(--t);
}
.drop:hover, .drop.drag {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.drop.has-image {
  border-style: solid;
  border-color: var(--accent);
  background: var(--accent-soft);
}
.drop-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}
.drop-sub {
  font-size: 12px;
  color: var(--text-mute);
}

/* ------------ Inputs ------------ */
.color-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px;
  align-items: center;
}
input[type="color"] {
  appearance: none; -webkit-appearance: none;
  width: 44px; height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: transparent;
  padding: 2px;
}
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }
input[type="color"]::-moz-color-swatch     { border: none; border-radius: 4px; }

input[type="text"], input[type="number"] {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  outline: none;
  transition: border-color var(--t);
  width: 100%;
}
input[type="text"]:focus, input[type="number"]:focus { border-color: var(--accent); }
input[type="text"]::placeholder { color: var(--text-mute); }

/* ------------ Preview ------------ */
.preview-wrap {
  background:
    linear-gradient(45deg, #1a1d23 25%, transparent 25%),
    linear-gradient(-45deg, #1a1d23 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1a1d23 75%),
    linear-gradient(-45deg, transparent 75%, #1a1d23 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px;
}
#preview {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 8;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  border-radius: 4px;
}
#preview:active { cursor: grabbing; }
.muted { color: var(--text-dim); font-size: 12px; }
#preview-info { display: block; margin-top: 8px; }

/* ------------ Buttons ------------ */
.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
}
@media (max-width: 480px) {
  .actions { grid-template-columns: 1fr; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--t), border-color var(--t), color var(--t);
  width: 100%;
}
.btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--text-mute);
}
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn.primary {
  background: var(--accent);
  color: #062414;
  border-color: var(--accent);
}
.btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn.small { width: auto; padding: 7px 12px; flex-shrink: 0; }

/* ------------ Settings (Imgur) ------------ */
.settings {
  margin-top: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.settings summary {
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  list-style: none;
}
.settings summary::-webkit-details-marker { display: none; }
.settings summary::before {
  content: "▸";
  display: inline-block;
  width: 14px;
  color: var(--text-mute);
  transition: transform var(--t);
}
.settings[open] summary::before { transform: rotate(90deg); }
.settings summary:hover { color: var(--text); }
.settings[open] summary { color: var(--text); margin-bottom: 12px; }
.settings p { font-size: 12.5px; margin: 6px 0 12px; color: var(--text-dim); }
.row { display: flex; gap: 8px; align-items: center; }

.page-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}
.page-footer strong { color: var(--text); font-weight: 600; }

/* ------------ Toast ------------ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
  opacity: 0;
  transition: opacity var(--t), transform var(--t);
  pointer-events: none;
  z-index: 100;
  max-width: 92vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error   { border-color: var(--danger);  }
.toast.success { border-color: var(--success); }

/* ------------ Loading spinner ------------ */
.btn.loading { color: transparent; position: relative; pointer-events: none; }
.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .25);
  border-top-color: #062414;
  animation: spin .7s linear infinite;
}
.btn:not(.primary).loading::after { border-top-color: var(--text); }
@keyframes spin { to { transform: rotate(360deg); } }